<title>NASA的食物计划</title><link href="http://hzoi.com/tomorrow.css" rel="stylesheet"><div class="ui existing segment"><pre><code><span class="pl-cp">#include</span> <span class="pl-cpf">&lt;bits/stdc++.h&gt;  </span><span class="pl-cp"></span>
<span class="pl-k">using</span> <span class="pl-k">namespace</span> <span class="pl-n">std</span><span class="pl-p">;</span>  
<span class="pl-kt">int</span> <span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-mi">450</span><span class="pl-p">][</span><span class="pl-mi">450</span><span class="pl-p">];</span>
<span class="pl-k">struct</span> <span class="pl-n">haha</span><span class="pl-p">{</span>
	<span class="pl-kt">int</span> <span class="pl-n">v</span><span class="pl-p">;</span>
	<span class="pl-kt">int</span> <span class="pl-n">m</span><span class="pl-p">;</span>
	<span class="pl-kt">int</span> <span class="pl-n">ka</span><span class="pl-p">;</span>
<span class="pl-p">}</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-mi">51</span><span class="pl-p">];</span>
<span class="pl-kt">int</span> <span class="pl-nf">main</span><span class="pl-p">(){</span>
	<span class="pl-kt">int</span> <span class="pl-n">vmax</span><span class="pl-p">,</span><span class="pl-n">mmax</span><span class="pl-p">,</span><span class="pl-n">n</span><span class="pl-p">;</span>
	<span class="pl-n">scanf</span><span class="pl-p">(</span><span class="pl-s">&quot;%d %d %d&quot;</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">vmax</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">mmax</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">n</span><span class="pl-p">);</span>
	<span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">)</span>
		<span class="pl-n">scanf</span><span class="pl-p">(</span><span class="pl-s">&quot;%d %d %d&quot;</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">v</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">m</span><span class="pl-p">,</span><span class="pl-o">&amp;</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">ka</span><span class="pl-p">);</span>
	<span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">i</span><span class="pl-o">=</span><span class="pl-mi">0</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">&lt;</span><span class="pl-n">n</span><span class="pl-p">;</span><span class="pl-n">i</span><span class="pl-o">++</span><span class="pl-p">){</span>
		<span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">j</span><span class="pl-o">=</span><span class="pl-n">vmax</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">&gt;=</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">v</span><span class="pl-p">;</span><span class="pl-n">j</span><span class="pl-o">--</span><span class="pl-p">){</span>
			<span class="pl-k">for</span><span class="pl-p">(</span><span class="pl-kt">int</span> <span class="pl-n">k</span><span class="pl-o">=</span><span class="pl-n">mmax</span><span class="pl-p">;</span><span class="pl-n">k</span><span class="pl-o">&gt;=</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">m</span><span class="pl-p">;</span><span class="pl-n">k</span><span class="pl-o">--</span><span class="pl-p">)</span>
				<span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-p">][</span><span class="pl-n">k</span><span class="pl-p">]</span><span class="pl-o">=</span><span class="pl-n">max</span><span class="pl-p">(</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-p">][</span><span class="pl-n">k</span><span class="pl-p">],</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">j</span><span class="pl-o">-</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">v</span><span class="pl-p">][</span><span class="pl-n">k</span><span class="pl-o">-</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">m</span><span class="pl-p">]</span><span class="pl-o">+</span><span class="pl-n">food</span><span class="pl-p">[</span><span class="pl-n">i</span><span class="pl-p">].</span><span class="pl-n">ka</span><span class="pl-p">);</span>
		<span class="pl-p">}</span>
	<span class="pl-p">}</span>
	<span class="pl-n">printf</span><span class="pl-p">(</span><span class="pl-s">&quot;%d</span><span class="pl-se">\n</span><span class="pl-s">&quot;</span><span class="pl-p">,</span><span class="pl-n">dp</span><span class="pl-p">[</span><span class="pl-n">vmax</span><span class="pl-p">][</span><span class="pl-n">mmax</span><span class="pl-p">]);</span>
	<span class="pl-k">return</span> <span class="pl-mi">0</span><span class="pl-p">;</span>
<span class="pl-p">}</span> 
</cpde></pre></div>